Home / 761,911.29-1,051,439.06-422,379.54

Finding the Fourth Proportional to 761,911.29, 1,051,439.06 and 422,379.54

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Solution

The fourth proportional to 761,911.29, 1,051,439.06 and 422,379.54 is: 582,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,911.29 : 1,051,439.06 = 422,379.54 : x
  2. Step 2: Convert to fraction form
    761,911.29/1,051,439.06 = 422,379.54/x
  3. Step 3: Cross multiply
    761,911.29x = 1,051,439.06 × 422,379.54
  4. Step 4: Simplify right side
    761,911.29x = 444,106,347,556.78
  5. Step 5: Solve for x
    x = 444,106,347,556.78/761,911.29
  6. Step 6: Final answer
    x = 582,884.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.